Questions about repairing or filling holes, or about what types of holes are necessary or permissible (such as in joists). For questions about *making* holes, consider the 'drill' tag.

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How deep in ground should I install 4x4 PT fence posts?

I'm installing some 4x4 Pressure Treated 8' Tall Fence Posts for a chicken run. I want to have at least 7' tall fence, and am wondering if the 1' sunken depth is adequate. I have read conflicting ...
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How to fix a stripped hole?

I have a hole that a head of as bolt goes into, but the hole is stripped and cannot get a good grip on the bolt head. The hole is attached to an agitator which spins. Any help? Remember, only the head ...
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How do you plug an unused hole as per the NEC for a liquid tight enclosure?

I have been looking for a way to seal a liquid tight product using Listed blanking plugs / Cap-offs or similar to comply with the NEC (US National Electrical Code). We wanted to use Conduit Entry ...
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How to seal joint between stone foundation wall and conrete cellar floor

In my 1910 vintage Baltimore row house, the concrete cellar floor was laid after the construction of the house. The joint between the irregular surface of the stone foundation wall and the concrete ...
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How can I stop an in-the-wall air conditioner from leaking air into the home?

As far as I can tell, the air conditioner fits nearly perfectly in the hole, but there is considerable air leaking into the home through the bottom. I think it may be because of metal strips that line ...
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How can I patch a large hole in a metal bathtub?

My tub is rotting from the top and I'm not yet ready to replace it. Water collects along one of the short sides of the tub (not the end with the faucet, the opposite end) and that is rotting and now ...